Previous symbols: PI. Aliases: AAT, A1A, PI1, alpha-1-antitrypsin, A1AT, alpha1AT.
Relationship is the entry's genetic[].relationship_type. untyped means the entry has a genetic record for the gene but does not type it; its free-text association is shown instead.
| Disorder | Relationship | Where the gene appears |
|---|---|---|
| Alpha-1 Antitrypsin Deficiency | causativemodifier |
mechanism: Hepatic Protein Aggregation; Protease-Antiprotease Imbalance in Lung
animal model: Mus musculus
|
| Chronic_Obstructive_Pulmonary_Disease |
untyped
Alpha-1 antitrypsin deficiency is the most common genetic cause of COPD.
|
|
| Granulomatosis with Polyangiitis |
untyped
Risk Factor
|
|
| Liver Cirrhosis |
untyped
Causative
|
|
| Leptospirosis | no genetic record |
mechanism: Acute systemic immune activation with TNF and interferon signaling
|
Identity from HGNC (snapshot 2026-10-01). Page layers are described in the gene pages documentation.